Finding the Fourth Proportional to 1,261,088.18, 1,740,340.10 and 717,302.24
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Solution
The fourth proportional to 1,261,088.18, 1,740,340.10 and 717,302.24 is: 989,898.94
Step by Step Solution
- Step 1: Write the proportion equation
1,261,088.18 : 1,740,340.10 = 717,302.24 : x - Step 2: Convert to fraction form
1,261,088.18/1,740,340.10 = 717,302.24/x - Step 3: Cross multiply
1,261,088.18x = 1,740,340.10 × 717,302.24 - Step 4: Simplify right side
1,261,088.18x = 1,248,349,848,505.31 - Step 5: Solve for x
x = 1,248,349,848,505.31/1,261,088.18 - Step 6: Final answer
x = 989,898.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.